Question about HP f2105 21" LCD Monitor
You may be having either the power supply failing due to bad caps, or failed backlight inverter circuits due to short circuits, loose connection due to bad solder joints, or failed lamp assmblies. You will have to open it up and inspect the inside. Do you have proper tolls for electronics repair, isolation transformer for safety so you do not get killed by high voltages inside the monitor?
You can see what your monitor look like here:
Posted on May 31, 2010
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Posted on Jan 02, 2017
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